package base.java9_17;

/**
 * @author 王霄
 * @date 2021/9/28 22:05
 */
public class StringDemo {
    public static void main(String[] args) {
        //判断为空
        System.out.println(" ".isBlank());

        //去掉首尾空格
        System.out.println(" 你好 ".strip());

    }
}
